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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.133 by root, Thu Jan 4 16:19:32 2007 UTC vs.
Revision 1.249 by root, Wed Apr 18 12:43:54 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.61 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
		24	use Data::Dumper;
20	use Digest::MD5;	25	use Digest::MD5;
21	use Fcntl;	26	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
		28	use IO::AIO 2.32 ();
24	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
25		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
27		39
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
30		42
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		44
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		46
35	our %COMMAND = ();	47	our %COMMAND = ();
36	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
38		54
		55	our $RELOAD; # number of reloads so far
39	our @EVENT;	56	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
41		58
42	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	63	our $NEXT_TICK;
45	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
46		69
47	our %CFG;	70	our %CFG;
48		71
49	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	73	our $RUNTIME;
51		74
		75	our %PLAYER; # all users
52	our %MAP; # all maps	76	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	# used to convert map paths into valid unix filenames by replacing / by ∕
		82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		83
57	binmode STDOUT;	84	binmode STDOUT;
58	binmode STDERR;	85	binmode STDERR;
59		86
60	# read virtual server time, if available	87	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	94	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	95	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	96	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	97	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	98	mkdir $RANDOM_MAPS;
		99	mkdir $BDB_ENV_DIR;
72		100
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	101	our $EMERGENCY_POSITION;
		102
		103	sub cf::map::normalise;
76		104
77	#############################################################################	105	#############################################################################
78		106
79	=head2 GLOBAL VARIABLES	107	=head2 GLOBAL VARIABLES
80		108
…		…
104		132
105	=item %cf::CFG	133	=item %cf::CFG
106		134
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	135	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	136	from wherever your confdir points to.
		137
		138	=item cf::wait_for_tick, cf::wait_for_tick_begin
		139
		140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		141	returns directly I<after> the tick processing (and consequently, can only wake one process
		142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
109		143
110	=back	144	=back
111		145
112	=cut	146	=cut
113		147
…		…
117	utf8::encode $msg;	151	utf8::encode $msg;
118		152
119	$msg .= "\n"	153	$msg .= "\n"
120	unless $msg =~ /\n$/;	154	unless $msg =~ /\n$/;
121		155
122	LOG llevError, "cfperl: $msg";	156	LOG llevError, $msg;
123	};	157	};
124	}	158	}
125		159
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		179
146	$Event::DIED = sub {	180	$Event::DIED = sub {
147	warn "error in event callback: @_";	181	warn "error in event callback: @_";
148	};	182	};
149		183
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	184	=head2 UTILITY FUNCTIONS
155		185
156	=over 4	186	=over 4
157		187
158	=cut	188	=item dumpval $ref
159		189
		190	=cut
		191
		192	sub dumpval {
		193	eval {
		194	local $SIG{__DIE__};
		195	my $d;
		196	if (1) {
		197	$d = new Data::Dumper([$_[0]], ["*var"]);
		198	$d->Terse(1);
		199	$d->Indent(2);
		200	$d->Quotekeys(0);
		201	$d->Useqq(1);
		202	#$d->Bless(...);
		203	$d->Seen($_[1]) if @_ > 1;
		204	$d = $d->Dump();
		205	}
		206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		207	$d
		208	} || "[unable to dump $_[0]: '$@']";
		209	}
		210
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		212
162	=item $ref = cf::from_json $json	213	=item $ref = cf::from_json $json
163		214
164	Converts a JSON string into the corresponding perl data structure.	215	Converts a JSON string into the corresponding perl data structure.
165		216
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	217	=item $json = cf::to_json $ref
174		218
175	Converts a perl data structure into its JSON representation.	219	Converts a perl data structure into its JSON representation.
176		220
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	221	=item cf::lock_wait $string
207		222
208	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
209		224
210	=item my $lock = cf::lock_acquire $string	225	=item my $lock = cf::lock_acquire $string
211		226
212	Wait until the given lock is available and then acquires it and returns	227	Wait until the given lock is available and then acquires it and returns
213	a guard object. If the guard object gets destroyed (goes out of scope,	228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
214	for example when the coroutine gets canceled), the lock is automatically	229	for example when the coroutine gets canceled), the lock is automatically
215	returned.	230	returned.
216		231
217	Lock names should begin with a unique identifier (for example, cf::map::find	232	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	233	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	252	# wait, to be sure we are not locked
238	lock_wait $key;	253	lock_wait $key;
239		254
240	$LOCK{$key} = [];	255	$LOCK{$key} = [];
241		256
242	cf::guard {	257	Coro::guard {
243	# wake up all waiters, to be on the safe side	258	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	259	$_->ready for @{ delete $LOCK{$key} };
245	}	260	}
246	}	261	}
247		262
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	263	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
266		265
267	my $guard = guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	};
268	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
269	$guard	270	$guard
270	}	271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
271		282
272	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
273		284
274	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
275	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
294	my $freeze_guard = freeze_mainloop;	305	my $freeze_guard = freeze_mainloop;
295		306
296	my $busy = 1;	307	my $busy = 1;
297	my @res;	308	my @res;
298		309
299	(Coro::async {	310	(async {
300	@res = eval { $job->() };	311	@res = eval { $job->() };
301	warn $@ if $@;	312	warn $@ if $@;
302	undef $busy;	313	undef $busy;
303	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
304		315
305	while ($busy) {	316	while ($busy) {
306	Coro::cede_notself;	317	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	318	}
309		319
310	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
311	} else {	321	} else {
312	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
313		323
314	$job->()	324	$job->()
315	}	325	}
316	}	326	}
317		327
318	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
319		329
320	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
322		332
323	=cut	333	=cut
324		334
325	sub coro(&) {	335	sub async_ext(&) {
326	my $cb = shift;	336	my $cb = shift;
327		337
328	my $coro = &cf::async ($cb);	338	my $coro = &Coro::async ($cb);
329		339
330	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
332	});	342	});
333	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
334		344
335	$coro	345	$coro
336	}	346	}
337		347
338	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
339	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
340		352
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	354	or return;
343		355
		356	my $value = $cf::RUNTIME + 90 + 10;
344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	361	and return;
347		362
		363	# always fsync - this file is important
348	aio_fsync $fh	364	aio_fsync $fh
349	and return;	365	and return;
350		366
351	close $fh	367	close $fh
352	or return;	368	or return;
…		…
355	and return;	371	and return;
356		372
357	1	373	1
358	}	374	}
359		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
360	=back	387	=back
361		388
362	=cut	389	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		390
484	#############################################################################	391	#############################################################################
485		392
486	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
487		394
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	521	our @CB_MAP = ();
615		522
616	my %attachment;	523	my %attachment;
617		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
618	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
620		533
621	use sort 'stable';	534	use sort 'stable';
622		535
…		…
793	# object support	706	# object support
794		707
795	sub reattach {	708	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		713
799	my $registry = $obj->registry;	714	my $registry = $obj->registry;
800		715
801	@$registry = ();	716	@$registry = ();
802		717
…		…
849	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
850		765
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	770	close $fh;
856		771
857	if (@$objs) {	772	if (@$objs) {
858	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
859	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	778	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
865	}	780	}
866	} else {	781	} else {
867	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
934	=cut	849	=cut
935		850
936	sub register_extcmd {	851	sub register_extcmd {
937	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
938		853
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
943	}	855	}
944		856
945	cf::player->attach (	857	cf::player->attach (
946	on_command => sub {	858	on_command => sub {
947	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
960		872
961	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
962		874
963	if (ref $msg) {	875	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	879	}
968	}	880	}
969	} else {	881	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		884
973	cf::override;	885	cf::override;
974	},	886	},
975	);	887	);
976		888
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	889	sub load_extension {
984	my ($path) = @_;	890	my ($path) = @_;
985		891
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	893	my $base = $1;
988	my $pkg = $1;	894	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
991		897
992	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
993		899
994	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
995	or die "$path: $!";	901	or die "$path: $!";
996		902
997	my $source =	903	my $source =
998	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
1001	. "\n};\n1";	907	. "\n};\n1";
1002		908
1003	eval $source	909	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	911	: "extension disabled.\n";
1006		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	913	warn $@;
1008	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
1009		915	exit 1;
1010	# no strict 'refs';	916	}
1011	# @{"$pkg\::ISA"} = ext::;	917	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	918	}
1026		919
1027	# remove commands	920	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	921	}
1052		922
1053	sub load_extensions {	923	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	925	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1060	}	930	}
1061	}	931	}
1062		932
1063	#############################################################################	933	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		934
1101	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1102		936
1103	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1104		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1105	=head3 cf::player	945	=head3 cf::player
1106		946
1107	=over 4	947	=over 4
1108		948
1109	=item cf::player::exists $login	949	=item cf::player::find $login
1110		950
1111	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1112		952
1113	=cut	953	=cut
1114		954
1115	sub cf::player::exists($) {	955	sub playerdir($) {
1116	cf::player::find $_[0]	956	cf::localdir
1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	957	. "/"
		958	. cf::playerdir
		959	. "/"
		960	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1118	}	961	}
1119		962
		963	sub path($) {
		964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		965
		966	(playerdir $login) . "/playerdata"
		967	}
		968
		969	sub find_active($) {
		970	$cf::PLAYER{$_[0]}
		971	and $cf::PLAYER{$_[0]}->active
		972	and $cf::PLAYER{$_[0]}
		973	}
		974
		975	sub exists($) {
		976	my ($login) = @_;
		977
		978	$cf::PLAYER{$login}
		979	or cf::sync_job { !aio_stat path $login }
		980	}
		981
		982	sub find($) {
		983	return $cf::PLAYER{$_[0]} || do {
		984	my $login = $_[0];
		985
		986	my $guard = cf::lock_acquire "user_find:$login";
		987
		988	$cf::PLAYER{$_[0]} || do {
		989	# rename old playerfiles to new ones
		990	#TODO: remove when no longer required
		991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		993	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		994	aio_unlink +(playerdir $login) . "/$login.pl";
		995
		996	my $pl = load_pl path $login
		997	or return;
		998	$cf::PLAYER{$login} = $pl
		999	}
		1000	}
		1001	}
		1002
		1003	sub save($) {
		1004	my ($pl) = @_;
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	my $path = path $pl;
		1009	my $guard = cf::lock_acquire "user_save:$path";
		1010
		1011	return if $pl->{deny_save};
		1012
		1013	aio_mkdir playerdir $pl, 0770;
		1014	$pl->{last_save} = $cf::RUNTIME;
		1015
		1016	$pl->save_pl ($path);
		1017	Coro::cede;
		1018	}
		1019
		1020	sub new($) {
		1021	my ($login) = @_;
		1022
		1023	my $self = create;
		1024
		1025	$self->ob->name ($login);
		1026	$self->{deny_save} = 1;
		1027
		1028	$cf::PLAYER{$login} = $self;
		1029
		1030	$self
		1031	}
		1032
		1033	=item $pl->quit_character
		1034
		1035	Nukes the player without looking back. If logged in, the connection will
		1036	be destroyed. May block for a long time.
		1037
		1038	=cut
		1039
		1040	sub quit_character {
		1041	my ($pl) = @_;
		1042
		1043	my $name = $pl->ob->name;
		1044
		1045	$pl->{deny_save} = 1;
		1046	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1047
		1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1049	$pl->deactivate;
		1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1051	$pl->ns->destroy if $pl->ns;
		1052
		1053	my $path = playerdir $pl;
		1054	my $temp = "$path~$cf::RUNTIME~deleting~";
		1055	aio_rename $path, $temp;
		1056	delete $cf::PLAYER{$pl->ob->name};
		1057	$pl->destroy;
		1058
		1059	my $prefix = qr<^~\Q$name\E/>;
		1060
		1061	# nuke player maps
		1062	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1063
		1064	IO::AIO::aio_rmtree $temp;
		1065	}
		1066
		1067	=item $pl->kick
		1068
		1069	Kicks a player out of the game. This destroys the connection.
		1070
		1071	=cut
		1072
		1073	sub kick {
		1074	my ($pl, $kicker) = @_;
		1075
		1076	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1077	$pl->killer ("kicked");
		1078	$pl->ns->destroy;
		1079	}
		1080
		1081	=item cf::player::list_logins
		1082
		1083	Returns am arrayref of all valid playernames in the system, can take a
		1084	while and may block, so not sync_job-capable, ever.
		1085
		1086	=cut
		1087
		1088	sub list_logins {
		1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1090	or return [];
		1091
		1092	my @logins;
		1093
		1094	for my $login (@$dirs) {
		1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1096	aio_read $fh, 0, 512, my $buf, 0 or next;
		1097	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1098
		1099	utf8::decode $login;
		1100	push @logins, $login;
		1101	}
		1102
		1103	\@logins
		1104	}
		1105
		1106	=item $player->maps
		1107
		1108	Returns an arrayref of map paths that are private for this
		1109	player. May block.
		1110
		1111	=cut
		1112
		1113	sub maps($) {
		1114	my ($pl) = @_;
		1115
		1116	$pl = ref $pl ? $pl->ob->name : $pl;
		1117
		1118	my $files = aio_readdir playerdir $pl
		1119	or return;
		1120
		1121	my @paths;
		1122
		1123	for (@$files) {
		1124	utf8::decode $_;
		1125	next if /\.(?:pl|pst)$/;
		1126	next unless /^$PATH_SEP/o;
		1127
		1128	push @paths, cf::map::normalise "~$pl/$_";
		1129	}
		1130
		1131	\@paths
		1132	}
		1133
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1121		1135
1122	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1123		1137
1124	=cut	1138	=cut
1125		1139
1126	sub cf::player::ext_reply($$$%) {	1140	sub ext_reply($$%) {
1127	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1128		1142
1129	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1130		1144
1131	$self->send ("ext " . to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
		1146	}
		1147
		1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		1155	my ($self, $type, %msg) = @_;
		1156
		1157	$self->ns->ext_event ($type, %msg);
		1158	}
		1159
		1160	=head3 cf::region
		1161
		1162	=over 4
		1163
		1164	=cut
		1165
		1166	package cf::region;
		1167
		1168	=item cf::region::find_by_path $path
		1169
		1170	Tries to decuce the probable region for a map knowing only its path.
		1171
		1172	=cut
		1173
		1174	sub find_by_path($) {
		1175	my ($path) = @_;
		1176
		1177	my ($match, $specificity);
		1178
		1179	for my $region (list) {
		1180	if ($region->match && $path =~ $region->match) {
		1181	($match, $specificity) = ($region, $region->specificity)
		1182	if $region->specificity > $specificity;
		1183	}
		1184	}
		1185
		1186	$match
1132	}	1187	}
1133		1188
1134	=back	1189	=back
1135
1136		1190
1137	=head3 cf::map	1191	=head3 cf::map
1138		1192
1139	=over 4	1193	=over 4
1140		1194
…		…
1143	package cf::map;	1197	package cf::map;
1144		1198
1145	use Fcntl;	1199	use Fcntl;
1146	use Coro::AIO;	1200	use Coro::AIO;
1147		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1148	our $MAX_RESET = 3600;	1206	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1207	our $DEFAULT_RESET = 3000;
1150		1208
1151	sub generate_random_map {	1209	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1212	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1223	(cf::region::find $rmp->{region}), $rmp->{custom}
		1224	)
		1225	}
		1226
		1227	=item cf::map->register ($regex, $prio)
		1228
		1229	Register a handler for the map path matching the given regex at the
		1230	givne priority (higher is better, built-in handlers have priority 0, the
		1231	default).
		1232
		1233	=cut
		1234
		1235	sub register {
		1236	my (undef, $regex, $prio) = @_;
		1237	my $pkg = caller;
		1238
		1239	no strict;
		1240	push @{"$pkg\::ISA"}, __PACKAGE__;
		1241
		1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1243	}
		1244
		1245	# also paths starting with '/'
		1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1247
		1248	sub thawer_merge {
		1249	my ($self, $merge) = @_;
		1250
		1251	# we have to keep some variables in memory intact
		1252	local $self->{path};
		1253	local $self->{load_path};
		1254	local $self->{deny_save};
		1255	local $self->{deny_reset};
		1256
		1257	$self->SUPER::thawer_merge ($merge);
		1258	}
		1259
		1260	sub normalise {
		1261	my ($path, $base) = @_;
		1262
		1263	$path = "$path"; # make sure its a string
		1264
		1265	$path =~ s/\.map$//;
		1266
		1267	# map plan:
		1268	#
		1269	# /! non-realised random map exit (special hack!)
		1270	# {... are special paths that are not being touched
		1271	# ?xxx/... are special absolute paths
		1272	# ?random/... random maps
		1273	# /... normal maps
		1274	# ~user/... per-player map of a specific user
		1275
		1276	$path =~ s/$PATH_SEP/\//go;
		1277
		1278	# treat it as relative path if it starts with
		1279	# something that looks reasonable
		1280	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1281	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1282
		1283	$base =~ s{[^/]+/?$}{};
		1284	$path = "$base/$path";
		1285	}
		1286
		1287	for ($path) {
		1288	redo if s{//}{/};
		1289	redo if s{/\.?/}{/};
		1290	redo if s{/[^/]+/\.\./}{/};
		1291	}
		1292
		1293	$path
		1294	}
		1295
		1296	sub new_from_path {
		1297	my (undef, $path, $base) = @_;
		1298
		1299	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1300
		1301	$path = normalise $path, $base;
		1302
		1303	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1304	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1305	my $self = bless cf::map::new, $pkg;
		1306	$self->{path} = $path; $self->path ($path);
		1307	$self->init; # pass $1 etc.
		1308	return $self;
		1309	}
		1310	}
		1311
		1312	Carp::carp "unable to resolve path '$path' (base '$base').";
		1313	()
		1314	}
		1315
		1316	sub init {
		1317	my ($self) = @_;
		1318
		1319	$self
		1320	}
		1321
		1322	sub as_string {
		1323	my ($self) = @_;
		1324
		1325	"$self->{path}"
		1326	}
		1327
		1328	# the displayed name, this is a one way mapping
		1329	sub visible_name {
		1330	&as_string
		1331	}
		1332
		1333	# the original (read-only) location
		1334	sub load_path {
		1335	my ($self) = @_;
		1336
		1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1338	}
		1339
		1340	# the temporary/swap location
		1341	sub save_path {
		1342	my ($self) = @_;
		1343
		1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1346	}
		1347
		1348	# the unique path, undef == no special unique path
		1349	sub uniq_path {
		1350	my ($self) = @_;
		1351
		1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1168	}	1354	}
1169		1355
1170	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1171	# all maps in C++...	1357	# all maps in C++...
1172	sub change_all_map_light {	1358	sub change_all_map_light {
…		…
1174		1360
1175	$_->change_map_light ($change)	1361	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1362	for grep $_->outdoor, values %cf::MAP;
1177	}	1363	}
1178		1364
		1365	sub unlink_save {
		1366	my ($self) = @_;
		1367
		1368	utf8::encode (my $save = $self->save_path);
		1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1370	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1371	}
		1372
1179	sub try_load_header($) {	1373	sub load_header_from($) {
1180	my ($path) = @_;	1374	my ($self, $path) = @_;
1181		1375
1182	utf8::encode $path;	1376	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1184	or return;	1381	or return;
1185		1382
1186	my $map = cf::map::new	1383	$self->{load_path} = $path;
		1384
		1385	1
		1386	}
		1387
		1388	sub load_header_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->load_header_from ($self->load_path)
		1392	}
		1393
		1394	sub load_header_temp {
		1395	my ($self) = @_;
		1396
		1397	$self->load_header_from ($self->save_path)
		1398	}
		1399
		1400	sub prepare_temp {
		1401	my ($self) = @_;
		1402
		1403	$self->last_access ((delete $self->{last_access})
		1404	|| $cf::RUNTIME); #d#
		1405	# safety
		1406	$self->{instantiate_time} = $cf::RUNTIME
		1407	if $self->{instantiate_time} > $cf::RUNTIME;
		1408	}
		1409
		1410	sub prepare_orig {
		1411	my ($self) = @_;
		1412
		1413	$self->{load_original} = 1;
		1414	$self->{instantiate_time} = $cf::RUNTIME;
		1415	$self->last_access ($cf::RUNTIME);
		1416	$self->instantiate;
		1417	}
		1418
		1419	sub load_header {
		1420	my ($self) = @_;
		1421
		1422	if ($self->load_header_temp) {
		1423	$self->prepare_temp;
		1424	} else {
		1425	$self->load_header_orig
1187	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1188		1429
1189	$map->load_header ($path)	1430	$self->default_region (cf::region::find_by_path $self->{path})
1190	or return;	1431	unless $self->default_region;
1191		1432
1192	$map->{load_path} = $path;	1433	1
1193
1194	$map
1195	}	1434	}
1196		1435
1197	sub find;	1436	sub find;
1198	sub find {	1437	sub find {
1199	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1200		1439
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1440	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1441
1206	cf::lock_wait "map_find:$key";	1442	cf::lock_wait "map_find:$path";
1207		1443
1208	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1445	my $guard = cf::lock_acquire "map_find:$path";
1210		1446	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	if ($map) {
1215	$map->last_access ((delete $map->{last_access})
1216	|| $cf::RUNTIME); #d#
1217	# safety
1218	$map->{instantiate_time} = $cf::RUNTIME
1219	if $map->{instantiate_time} > $cf::RUNTIME;
1220	} else {
1221	if (my $rmp = $path->random_map_params) {
1222	$map = generate_random_map $key, $rmp;
1223	} else {
1224	$map = try_load_header $path->load_path;
1225	}
1226
1227	$map or return;	1447	or return;
1228		1448
1229	$map->{load_original} = 1;
1230	$map->{instantiate_time} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232	$map->instantiate;
1233
1234	# per-player maps become, after loading, normal maps
1235	$map->per_player (0) if $path->{user_rel};
1236	}
1237
1238	$map->path ($key);
1239	$map->{path} = $path;
1240	$map->{last_save} = $cf::RUNTIME;	1449	$map->{last_save} = $cf::RUNTIME;
1241		1450
1242	if ($map->should_reset) {	1451	$map->load_header
		1452	or return;
		1453
		1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1455	# doing this can freeze the server in a sync job, obviously
		1456	#$cf::WAIT_FOR_TICK->wait;
1243	$map->reset;	1457	$map->reset;
1244	undef $guard;	1458	undef $guard;
1245	$map = find $path	1459	return find $path;
1246	or return;
1247	}	1460	}
1248		1461
1249	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1250	}	1463	}
1251	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1252		1468
1253	sub load {	1469	sub load {
1254	my ($self) = @_;	1470	my ($self) = @_;
1255		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
1256	my $path = $self->{path};	1474	my $path = $self->{path};
1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1475	my $guard = cf::lock_acquire "map_load:$path";
1258		1476
1259	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1260		1478
1261	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1262		1480
1263	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1264	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1265	or return;	1487	or return;
1266		1488
1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1268	if delete $self->{load_original};	1490	if delete $self->{load_original};
1269		1491
1270	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1271	utf8::encode $uniq;	1493	utf8::encode $uniq;
1272	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1273	$self->clear_unique_items;	1495	$self->clear_unique_items;
1274	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1275	}	1497	}
1276	}	1498	}
1277		1499
		1500	Coro::cede;
1278	# now do the right thing for maps	1501	# now do the right thing for maps
1279	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1280		1504
1281	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1282	$self->{deny_save} = 1;	1506	$self->decay_objects;
1283	$self->{deny_reset} = 1;
1284	} else {
1285	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1286	$self->decay_objects;
1287	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1288	$self->set_darkness_map;	1510	$self->set_darkness_map;
1289	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1290	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1291	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1292	}	1516	}
		1517
		1518	$self->post_load;
		1519	Coro::cede;
1293		1520
1294	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
		1522	}
		1523
		1524	sub customise_for {
		1525	my ($self, $ob) = @_;
		1526
		1527	return find "~" . $ob->name . "/" . $self->{path}
		1528	if $self->per_player;
		1529
		1530	$self
		1531	}
		1532
		1533	# find and load all maps in the 3x3 area around a map
		1534	sub load_diag {
		1535	my ($map) = @_;
		1536
		1537	my @diag; # diagonal neighbours
		1538
		1539	for (0 .. 3) {
		1540	my $neigh = $map->tile_path ($_)
		1541	or next;
		1542	$neigh = find $neigh, $map
		1543	or next;
		1544	$neigh->load;
		1545
		1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1548	}
		1549
		1550	for (@diag) {
		1551	my $neigh = find @$_
		1552	or next;
		1553	$neigh->load;
		1554	}
1295	}	1555	}
1296		1556
1297	sub find_sync {	1557	sub find_sync {
1298	my ($path, $origin) = @_;	1558	my ($path, $origin) = @_;
1299		1559
1300	cf::sync_job { cf::map::find $path, $origin }	1560	cf::sync_job { find $path, $origin }
1301	}	1561	}
1302		1562
1303	sub do_load_sync {	1563	sub do_load_sync {
1304	my ($map) = @_;	1564	my ($map) = @_;
1305		1565
1306	cf::sync_job { $map->load };	1566	cf::sync_job { $map->load };
1307	}	1567	}
1308		1568
		1569	our %MAP_PREFETCH;
		1570	our $MAP_PREFETCHER = undef;
		1571
		1572	sub find_async {
		1573	my ($path, $origin) = @_;
		1574
		1575	$path = normalise $path, $origin && $origin->{path};
		1576
		1577	if (my $map = $cf::MAP{$path}) {
		1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1579	}
		1580
		1581	undef $MAP_PREFETCH{$path};
		1582	$MAP_PREFETCHER ||= cf::async {
		1583	while (%MAP_PREFETCH) {
		1584	for my $path (keys %MAP_PREFETCH) {
		1585	my $map = find $path
		1586	or next;
		1587	$map->load;
		1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
		1593	};
		1594	$MAP_PREFETCHER->prio (6);
		1595
		1596	()
		1597	}
		1598
1309	sub save {	1599	sub save {
1310	my ($self) = @_;	1600	my ($self) = @_;
1311		1601
		1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1603
1312	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1313		1605
1314	return unless $self->dirty;	1606	return unless $self->dirty;
1315		1607
1316	my $save = $self->{path}->save_path; utf8::encode $save;	1608	my $save = $self->save_path; utf8::encode $save;
1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
1318		1610
1319	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1320		1612
1321	return if $self->{deny_save};	1613	return if $self->{deny_save};
1322		1614
1323	local $self->{last_access} = $self->last_access;#d#	1615	local $self->{last_access} = $self->last_access;#d#
1324		1616
		1617	cf::async {
		1618	$_->contr->save for $self->players;
		1619	};
		1620
1325	if ($uniq) {	1621	if ($uniq) {
1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1328	} else {	1624	} else {
1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330	}	1626	}
1331	}	1627	}
1332		1628
1333	sub swap_out {	1629	sub swap_out {
1334	my ($self) = @_;	1630	my ($self) = @_;
1335		1631
1336	# save first because save cedes	1632	# save first because save cedes
1337	$self->save;	1633	$self->save;
		1634
		1635	my $lock = cf::lock_acquire "map_data:" . $self->path;
1338		1636
1339	return if $self->players;	1637	return if $self->players;
1340	return if $self->in_memory != cf::MAP_IN_MEMORY;	1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1341	return if $self->{deny_save};	1639	return if $self->{deny_save};
1342		1640
…		…
1346		1644
1347	sub reset_at {	1645	sub reset_at {
1348	my ($self) = @_;	1646	my ($self) = @_;
1349		1647
1350	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1351	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1352	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1353		1651
1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356		1654
…		…
1361	my ($self) = @_;	1659	my ($self) = @_;
1362		1660
1363	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1364	}	1662	}
1365		1663
1366	sub unlink_save {
1367	my ($self) = @_;
1368
1369	utf8::encode (my $save = $self->{path}->save_path);
1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1372	}
1373
1374	sub rename {
1375	my ($self, $new_path) = @_;
1376
1377	$self->unlink_save;
1378
1379	delete $cf::MAP{$self->path};
1380	$self->{path} = new cf::path $new_path;
1381	$self->path ($self->{path}->as_string);
1382	$cf::MAP{$self->path} = $self;
1383
1384	$self->save;
1385	}
1386
1387	sub reset {	1664	sub reset {
1388	my ($self) = @_;	1665	my ($self) = @_;
1389		1666
		1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1668
1390	return if $self->players;	1669	return if $self->players;
1391	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1392		1671
1393	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1394		1673
		1674	$self->in_memory (cf::MAP_SWAPPED);
		1675
		1676	# need to save uniques path
		1677	unless ($self->{deny_save}) {
		1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1679
		1680	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1681	if $uniq;
		1682	}
		1683
1395	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1396		1687
1397	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1398		1689
1399	$self->unlink_save;	1690	$self->unlink_save;
1400	$self->destroy;	1691	$self->destroy;
…		…
1403	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1404		1695
1405	sub nuke {	1696	sub nuke {
1406	my ($self) = @_;	1697	my ($self) = @_;
1407		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1408	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1409	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1410	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1411	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1412	}	1712	}
1413		1713
1414	sub customise_for {	1714	=item cf::map::unique_maps
1415	my ($map, $ob) = @_;
1416		1715
1417	if ($map->per_player) {	1716	Returns an arrayref of paths of all shared maps that have
1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1717	instantiated unique items. May block.
1419	}
1420		1718
1421	$map	1719	=cut
1422	}
1423		1720
1424	sub emergency_save {	1721	sub unique_maps() {
1425	my $freeze_guard = cf::freeze_mainloop;	1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1723	or return;
1426		1724
1427	warn "enter emergency map save\n";	1725	my @paths;
1428		1726
1429	cf::sync_job {	1727	for (@$files) {
1430	warn "begin emergency map save\n";	1728	utf8::decode $_;
1431	$_->save for values %cf::MAP;	1729	next if /\.pst$/;
		1730	next unless /^$PATH_SEP/o;
		1731
		1732	push @paths, cf::map::normalise $_;
1432	};	1733	}
1433		1734
1434	warn "end emergency map save\n";	1735	\@paths
1435	}	1736	}
1436		1737
1437	package cf;	1738	package cf;
1438		1739
1439	=back	1740	=back
1440		1741
		1742	=head3 cf::object
		1743
		1744	=cut
		1745
		1746	package cf::object;
		1747
		1748	=over 4
		1749
		1750	=item $ob->inv_recursive
		1751
		1752	Returns the inventory of the object _and_ their inventories, recursively.
		1753
		1754	=cut
		1755
		1756	sub inv_recursive_;
		1757	sub inv_recursive_ {
		1758	map { $_, inv_recursive_ $_->inv } @_
		1759	}
		1760
		1761	sub inv_recursive {
		1762	inv_recursive_ inv $_[0]
		1763	}
		1764
		1765	package cf;
		1766
		1767	=back
1441		1768
1442	=head3 cf::object::player	1769	=head3 cf::object::player
1443		1770
1444	=over 4	1771	=over 4
1445		1772
…		…
1485		1812
1486	=item $player_object->enter_link	1813	=item $player_object->enter_link
1487		1814
1488	Freezes the player and moves him/her to a special map (C<{link}>).	1815	Freezes the player and moves him/her to a special map (C<{link}>).
1489		1816
1490	The player should be reaosnably safe there for short amounts of time. You	1817	The player should be reasonably safe there for short amounts of time. You
1491	I<MUST> call C<leave_link> as soon as possible, though.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1492		1819
		1820	Will never block.
		1821
1493	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1494		1823
1495	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1496	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1497	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1498	to the emergency map position.	1827	fails, to the emergency map position.
1499		1828
1500	Might block.	1829	Might block.
1501		1830
1502	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($LINK_MAP) {
		1835	$LINK_MAP = cf::map::find "{link}"
		1836	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1837	$LINK_MAP->load;
		1838	}
		1839
		1840	$LINK_MAP
		1841	}
1503		1842
1504	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1505	my ($self) = @_;	1844	my ($self) = @_;
1506		1845
1507	$self->deactivate_recursive;	1846	$self->deactivate_recursive;
1508		1847
1509	return if $self->map == $LINK_MAP;	1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
1510		1849
1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512	if $self->map;	1851	if $self->map;
1513		1852
1514	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1515	}	1854	}
1516		1855
1517	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1518	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1519		1858
…		…
1537	# use -1 or undef as default coordinates, not 0, 0	1876	# use -1 or undef as default coordinates, not 0, 0
1538	($x, $y) = ($map->enter_x, $map->enter_y)	1877	($x, $y) = ($map->enter_x, $map->enter_y)
1539	if $x <=0 && $y <= 0;	1878	if $x <=0 && $y <= 0;
1540		1879
1541	$map->load;	1880	$map->load;
		1881	$map->load_diag;
1542		1882
		1883	return unless $self->contr->active;
1543	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1544	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1545	}	1888	}
1546		1889
1547	cf::player->attach (	1890	cf::player->attach (
1548	on_logout => sub {	1891	on_logout => sub {
…		…
1560		1903
1561	# try to abort aborted map switching on player login :)	1904	# try to abort aborted map switching on player login :)
1562	# should happen only on crashes	1905	# should happen only on crashes
1563	if ($pl->ob->{_link_pos}) {	1906	if ($pl->ob->{_link_pos}) {
1564	$pl->ob->enter_link;	1907	$pl->ob->enter_link;
1565	cf::async {	1908	(async {
		1909	$pl->ob->reply (undef,
		1910	"There was an internal problem at your last logout, "
		1911	. "the server will try to bring you to your intended destination in a second.",
		1912	cf::NDI_RED);
1566	# we need this sleep as the login has a concurrent enter_exit running	1913	# we need this sleep as the login has a concurrent enter_exit running
1567	# and this sleep increases chances of the player not ending up in scorn	1914	# and this sleep increases chances of the player not ending up in scorn
1568	Coro::Timer::sleep 1;	1915	Coro::Timer::sleep 1;
1569	$pl->ob->leave_link;	1916	$pl->ob->leave_link;
1570	};	1917	})->prio (2);
1571	}	1918	}
1572	},	1919	},
1573	);	1920	);
1574		1921
1575	=item $player_object->goto_map ($path, $x, $y)	1922	=item $player_object->goto ($path, $x, $y)
1576		1923
1577	=cut	1924	=cut
1578		1925
1579	sub cf::object::player::goto_map {	1926	sub cf::object::player::goto {
1580	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1581		1928
1582	$self->enter_link;	1929	$self->enter_link;
1583		1930
1584	(cf::async {	1931	(async {
1585	$path = new cf::path $path;	1932	my $map = eval {
1586
1587	my $map = cf::map::find $path->as_string;	1933	my $map = cf::map::find $path;
1588	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1589		1935	$map
1590	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1591	# if $map;
1592
1593	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1594		1938
1595	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1596	})->prio (1);	1940	})->prio (1);
1597	}	1941	}
1598		1942
…		…
1602		1946
1603	sub parse_random_map_params {	1947	sub parse_random_map_params {
1604	my ($spec) = @_;	1948	my ($spec) = @_;
1605		1949
1606	my $rmp = { # defaults	1950	my $rmp = { # defaults
1607	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1608	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1609	};	1955	};
1610		1956
1611	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1612	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1613		1959
…		…
1617	$rmp	1963	$rmp
1618	}	1964	}
1619		1965
1620	sub prepare_random_map {	1966	sub prepare_random_map {
1621	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1622		1970
1623	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1624	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1625	# that depends on the exit object	1973	# that depends on the exit object
1626		1974
1627	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1628		1976
1629	if ($exit->map) {	1977	if ($exit->map) {
1630	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1631	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1632	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1633	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1634	}	1982	}
1635		1983
1636	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1637		1985
1638	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1639	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1640		1989
1641	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1642	aio_write $fh, 0, (length $data), $data, 0;	1991	aio_write $fh, 0, (length $data), $data, 0;
		1992	undef $fh;
		1993	aio_rename "$meta~", $meta;
1643		1994
1644	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1645	$exit->msg (undef);	1996	$exit->msg (undef);
1646	}	1997	}
1647	}	1998	}
…		…
1649	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1650	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1651		2002
1652	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
1653		2004
		2005	if ($exit->slaying eq "/!") {
		2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2007	# the problem is that $exit might not survive long enough
		2008	# so it needs to be done right now, right here
		2009	cf::sync_job { prepare_random_map $exit };
		2010	}
		2011
		2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2013	my $hp = $exit->stats->hp;
		2014	my $sp = $exit->stats->sp;
		2015
1654	$self->enter_link;	2016	$self->enter_link;
1655		2017
1656	(cf::async {	2018	(async {
1657	$self->deactivate_recursive; # just to be sure	2019	$self->deactivate_recursive; # just to be sure
1658	unless (eval {	2020	unless (eval {
1659	prepare_random_map $exit	2021	$self->goto ($slaying, $hp, $sp);
1660	if $exit->slaying eq "/!";
1661
1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1664		2022
1665	1;	2023	1;
1666	}) {	2024	}) {
1667	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1668	. "I'll try to bring you back to the map you were before. "	2026	. "I'll try to bring you back to the map you were before. "
1669	. "Please report this to the dungeon master",	2027	. "Please report this to the dungeon master!",
1670	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1671		2029
1672	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1673	$self->leave_link;	2031	$self->leave_link;
1674	}	2032	}
1675	})->prio (1);	2033	})->prio (1);
…		…
1688		2046
1689	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1690	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1691		2049
1692	utf8::encode $text;	2050	utf8::encode $text;
1693	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1694	}	2052	}
1695		2053
		2054	=item $client->ext_event ($type, %msg)
		2055
		2056	Sends an exti event to the client.
		2057
		2058	=cut
		2059
		2060	sub cf::client::ext_event($$%) {
		2061	my ($self, $type, %msg) = @_;
		2062
		2063	$msg{msgtype} = "event_$type";
		2064	$self->send_packet ("ext " . cf::to_json \%msg);
		2065	}
1696		2066
1697	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1698		2068
1699	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1700	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1729	# get handled first	2099	# get handled first
1730	my $queue = delete $ns->{query_queue}	2100	my $queue = delete $ns->{query_queue}
1731	or return; # be conservative, not sure how that can happen, but we saw a crash here	2101	or return; # be conservative, not sure how that can happen, but we saw a crash here
1732		2102
1733	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1734		2105
1735	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1736		2107
1737	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1738	if (@$queue) {	2109	if (@$queue) {
…		…
1742	}	2113	}
1743	}	2114	}
1744	},	2115	},
1745	);	2116	);
1746		2117
1747	=item $client->coro (\&cb)	2118	=item $client->async (\&cb)
1748		2119
1749	Create a new coroutine, running the specified callback. The coroutine will	2120	Create a new coroutine, running the specified callback. The coroutine will
1750	be automatically cancelled when the client gets destroyed (e.g. on logout,	2121	be automatically cancelled when the client gets destroyed (e.g. on logout,
1751	or loss of connection).	2122	or loss of connection).
1752		2123
1753	=cut	2124	=cut
1754		2125
1755	sub cf::client::coro {	2126	sub cf::client::async {
1756	my ($self, $cb) = @_;	2127	my ($self, $cb) = @_;
1757		2128
1758	my $coro = &cf::async ($cb);	2129	my $coro = &Coro::async ($cb);
1759		2130
1760	$coro->on_destroy (sub {	2131	$coro->on_destroy (sub {
1761	delete $self->{_coro}{$coro+0};	2132	delete $self->{_coro}{$coro+0};
1762	});	2133	});
1763		2134
…		…
1796		2167
1797	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
1798		2169
1799	=pod	2170	=pod
1800		2171
1801	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
1802		2173
1803	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
1804	cf::object::player player	2175	cf::object::player player
1805	cf::player peaceful	2176	cf::player peaceful
1806	cf::map trigger	2177	cf::map trigger
…		…
1899	The parameter C<$family> should best start with the name of the extension	2270	The parameter C<$family> should best start with the name of the extension
1900	using it, it should be unique.	2271	using it, it should be unique.
1901		2272
1902	=over 4	2273	=over 4
1903		2274
1904	=item $hashref = cf::db_get $family
1905
1906	Return a hashref for use by the extension C<$family>, which can be
1907	modified. After modifications, you have to call C<cf::db_dirty> or
1908	C<cf::db_sync>.
1909
1910	=item $value = cf::db_get $family => $key	2275	=item $value = cf::db_get $family => $key
1911		2276
1912	Returns a single value from the database	2277	Returns a single value from the database.
1913
1914	=item cf::db_put $family => $hashref
1915
1916	Stores the given family hashref into the database. Updates are delayed, if
1917	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1918		2278
1919	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
1920		2280
1921	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	Stores the given C<$value> in the family.
1922	want the data to be synced to disk immediately, use C<cf::db_sync>.
1923
1924	=item cf::db_dirty
1925
1926	Marks the database as dirty, to be updated at a later time.
1927
1928	=item cf::db_sync
1929
1930	Immediately write the database to disk I<if it is dirty>.
1931		2282
1932	=cut	2283	=cut
1933		2284
1934	our $DB;	2285	our $DB;
1935		2286
1936	{	2287	sub db_init {
		2288	unless ($DB) {
		2289	$DB = BDB::db_create $DB_ENV;
		2290
		2291	cf::sync_job {
		2292	eval {
		2293	$DB->set_flags (BDB::CHKSUM);
		2294
		2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2297	cf::cleanup "db_open(db): $!" if $!;
		2298	};
		2299	cf::cleanup "db_open(db): $@" if $@;
		2300	};
		2301
1937	my $path = cf::localdir . "/database.pst";	2302	my $path = cf::localdir . "/database.pst";
		2303	if (stat $path) {
		2304	cf::sync_job {
		2305	my $pst = Storable::retrieve $path;
1938		2306
1939	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
1940	$DB = stat $path ? Storable::retrieve $path : { };	2308	cf::db_put (guildrules => data => $pst->{guildrules});
1941	}	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
		2310	BDB::db_env_txn_checkpoint $DB_ENV;
1942		2311
1943	my $pid;	2312	unlink $path;
1944
1945	sub db_save() {
1946	waitpid $pid, 0 if $pid;
1947	if (0 == ($pid = fork)) {
1948	$DB->{_meta}{version} = 1;
1949	Storable::nstore $DB, "$path~";
1950	rename "$path~", $path;
1951	cf::_exit 0 if defined $pid;
1952	}	2313	};
1953	}
1954
1955	my $dirty;
1956
1957	sub db_sync() {
1958	db_save if $dirty;
1959	undef $dirty;
1960	}
1961
1962	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1963	db_sync;
1964	});
1965
1966	sub db_dirty() {
1967	$dirty = 1;
1968	$idle->start;
1969	}
1970
1971	sub db_get($;$) {
1972	@_ >= 2
1973	? $DB->{$_[0]}{$_[1]}
1974	: ($DB->{$_[0]} ||= { })
1975	}
1976
1977	sub db_put($$;$) {
1978	if (@_ >= 3) {
1979	$DB->{$_[0]}{$_[1]} = $_[2];
1980	} else {
1981	$DB->{$_[0]} = $_[1];
1982	}
1983	db_dirty;
1984	}
1985
1986	cf::global->attach (
1987	prio => 10000,
1988	on_cleanup => sub {
1989	db_sync;
1990	},	2314	}
1991	);	2315	}
		2316	}
		2317
		2318	sub db_get($$) {
		2319	my $key = "$_[0]/$_[1]";
		2320
		2321	cf::sync_job {
		2322	BDB::db_get $DB, undef, $key, my $data;
		2323
		2324	$! ? ()
		2325	: Compress::LZF::sthaw $data
		2326	}
		2327	}
		2328
		2329	sub db_put($$$) {
		2330	BDB::dbreq_pri 4;
		2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2332	}
		2333
		2334	=item cf::cache $id => ...
		2335
		2336	Generic caching function that returns the value of the resource $id,
		2337	caching and regenerating as required.
		2338
		2339	This function can block.
		2340
		2341	source => filename returning the data (must be a scalar)
		2342	expensive => true == try to cache harder
		2343	filter => sub that processes the data into a scalar
		2344
		2345	=cut
		2346
		2347	sub cache {
		2348	my ($id, %arg) = @_;
		2349
		2350	aio_stat $arg{source}
		2351	and Carp::croak "$arg{source}: $!";
		2352
		2353	my $meta = join ":", (stat _)[7,9];
		2354	my $md5;
		2355
		2356	if ($arg{expensive}) {
		2357	0 <= aio_load $arg{source}, my $buf
		2358	or Carp::croak "$arg{source}: $!";
		2359
		2360	$md5 = Digest::MD5::md5_hex $buf;
		2361	}
		2362
		2363	my $dbmeta = db_get "$id/meta";
		2364	if ($dbmeta ne $meta) {
		2365	# changed, we need to process
		2366	} else {
		2367	# just fetch
		2368	}
		2369
		2370
1992	}	2371	}
1993		2372
1994	#############################################################################	2373	#############################################################################
1995	# the server's main()	2374	# the server's init and main functions
		2375
		2376	sub load_facedata($) {
		2377	my ($path) = @_;
		2378
		2379	warn "loading facedata from $path\n";
		2380
		2381	my $facedata;
		2382	0 < aio_load $path, $facedata
		2383	or die "$path: $!";
		2384
		2385	$facedata = Coro::Storable::thaw $facedata;
		2386
		2387	$facedata->{version} == 2
		2388	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2389
		2390	{
		2391	my $faces = $facedata->{faceinfo};
		2392
		2393	while (my ($face, $info) = each %$faces) {
		2394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2395	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2396	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2397	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2398	Coro::cede;
		2399	}
		2400
		2401	while (my ($face, $info) = each %$faces) {
		2402	next unless $info->{smooth};
		2403	my $idx = cf::face::find $face
		2404	or next;
		2405	if (my $smooth = cf::face::find $info->{smooth}) {
		2406	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2407	} else {
		2408	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2409	}
		2410	Coro::cede;
		2411	}
		2412	}
		2413
		2414	{
		2415	my $anims = $facedata->{animinfo};
		2416
		2417	while (my ($anim, $info) = each %$anims) {
		2418	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2419	Coro::cede;
		2420	}
		2421
		2422	cf::anim::invalidate_all; # d'oh
		2423	}
		2424
		2425	1
		2426	}
		2427
		2428	sub reload_facedata {
		2429	load_facedata sprintf "%s/facedata", cf::datadir
		2430	or die "unable to load facedata\n";
		2431	}
		2432
		2433	sub reload_regions {
		2434	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2435	or die "unable to load regions file\n";
		2436	}
		2437
		2438	sub reload_archetypes {
		2439	load_resource_file sprintf "%s/archetypes", cf::datadir
		2440	or die "unable to load archetypes\n";
		2441	}
		2442
		2443	sub reload_treasures {
		2444	load_resource_file sprintf "%s/treasures", cf::datadir
		2445	or die "unable to load treasurelists\n";
		2446	}
		2447
		2448	sub reload_resources {
		2449	warn "reloading resource files...\n";
		2450
		2451	reload_regions;
		2452	reload_facedata;
		2453	reload_archetypes;
		2454	reload_treasures;
		2455
		2456	warn "finished reloading resource files\n";
		2457	}
		2458
		2459	sub init {
		2460	reload_resources;
		2461	}
1996		2462
1997	sub cfg_load {	2463	sub cfg_load {
1998	open my $fh, "<:utf8", cf::confdir . "/config"	2464	open my $fh, "<:utf8", cf::confdir . "/config"
1999	or return;	2465	or return;
2000		2466
2001	local $/;	2467	local $/;
2002	*CFG = YAML::Syck::Load <$fh>;	2468	*CFG = YAML::Syck::Load <$fh>;
2003		2469
2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2470	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2005		2471
		2472	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2473	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2474
2006	if (exists $CFG{mlockall}) {	2475	if (exists $CFG{mlockall}) {
2007	eval {	2476	eval {
2008	$CFG{mlockall} ? &mlockall : &munlockall	2477	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009	and die "WARNING: m(un)lockall failed: $!\n";	2478	and die "WARNING: m(un)lockall failed: $!\n";
2010	};	2479	};
2011	warn $@ if $@;	2480	warn $@ if $@;
2012	}	2481	}
2013	}	2482	}
2014		2483
2015	sub main {	2484	sub main {
2016	# we must not ever block the main coroutine	2485	# we must not ever block the main coroutine
2017	local $Coro::idle = sub {	2486	local $Coro::idle = sub {
2018	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2487	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2019	(Coro::unblock_sub {	2488	(async {
2020	Event::one_event;	2489	Event::one_event;
2021	})->();	2490	})->prio (Coro::PRIO_MAX);
2022	};	2491	};
2023		2492
2024	cfg_load;	2493	cfg_load;
2025	db_load;	2494	db_init;
2026	load_extensions;	2495	load_extensions;
		2496
		2497	$TICK_WATCHER->start;
2027	Event::loop;	2498	Event::loop;
2028	}	2499	}
2029		2500
2030	#############################################################################	2501	#############################################################################
2031	# initialisation	2502	# initialisation and cleanup
2032		2503
		2504	# install some emergency cleanup handlers
		2505	BEGIN {
		2506	for my $signal (qw(INT HUP TERM)) {
		2507	Event->signal (
		2508	reentrant => 0,
		2509	data => WF_AUTOCANCEL,
		2510	signal => $signal,
		2511	prio => 0,
		2512	cb => sub {
		2513	cf::cleanup "SIG$signal";
		2514	},
		2515	);
		2516	}
		2517	}
		2518
		2519	sub emergency_save() {
		2520	my $freeze_guard = cf::freeze_mainloop;
		2521
		2522	warn "enter emergency perl save\n";
		2523
		2524	cf::sync_job {
		2525	# use a peculiar iteration method to avoid tripping on perl
		2526	# refcount bugs in for. also avoids problems with players
		2527	# and maps saved/destroyed asynchronously.
		2528	warn "begin emergency player save\n";
		2529	for my $login (keys %cf::PLAYER) {
		2530	my $pl = $cf::PLAYER{$login} or next;
		2531	$pl->valid or next;
		2532	$pl->save;
		2533	}
		2534	warn "end emergency player save\n";
		2535
		2536	warn "begin emergency map save\n";
		2537	for my $path (keys %cf::MAP) {
		2538	my $map = $cf::MAP{$path} or next;
		2539	$map->valid or next;
		2540	$map->save;
		2541	}
		2542	warn "end emergency map save\n";
		2543
		2544	warn "begin emergency database checkpoint\n";
		2545	BDB::db_env_txn_checkpoint $DB_ENV;
		2546	warn "end emergency database checkpoint\n";
		2547	};
		2548
		2549	warn "leave emergency perl save\n";
		2550	}
		2551
		2552	sub post_cleanup {
		2553	my ($make_core) = @_;
		2554
		2555	warn Carp::longmess "post_cleanup backtrace"
		2556	if $make_core;
		2557	}
		2558
2033	sub reload() {	2559	sub do_reload_perl() {
2034	# can/must only be called in main	2560	# can/must only be called in main
2035	if ($Coro::current != $Coro::main) {	2561	if ($Coro::current != $Coro::main) {
2036	warn "can only reload from main coroutine\n";	2562	warn "can only reload from main coroutine";
2037	return;	2563	return;
2038	}	2564	}
2039		2565
2040	warn "reloading...";	2566	warn "reloading...";
2041		2567
2042	my $guard = freeze_mainloop;	2568	warn "entering sync_job";
		2569
		2570	cf::sync_job {
		2571	cf::write_runtime; # external watchdog should not bark
2043	cf::emergency_save;	2572	cf::emergency_save;
		2573	cf::write_runtime; # external watchdog should not bark
2044		2574
2045	eval {	2575	warn "syncing database to disk";
		2576	BDB::db_env_txn_checkpoint $DB_ENV;
		2577
2046	# if anything goes wrong in here, we should simply crash as we already saved	2578	# if anything goes wrong in here, we should simply crash as we already saved
2047		2579
2048	# cancel all watchers	2580	warn "cancelling all WF_AUTOCANCEL watchers";
2049	for (Event::all_watchers) {	2581	for (Event::all_watchers) {
2050	$_->cancel if $_->data & WF_AUTOCANCEL;	2582	$_->cancel if $_->data & WF_AUTOCANCEL;
2051	}	2583	}
2052		2584
		2585	warn "flushing outstanding aio requests";
		2586	for (;;) {
		2587	BDB::flush;
		2588	IO::AIO::flush;
		2589	Coro::cede;
		2590	last unless IO::AIO::nreqs || BDB::nreqs;
		2591	warn "iterate...";
		2592	}
		2593
		2594	++$RELOAD;
		2595
2053	# cancel all extension coros	2596	warn "cancelling all extension coros";
2054	$_->cancel for values %EXT_CORO;	2597	$_->cancel for values %EXT_CORO;
2055	%EXT_CORO = ();	2598	%EXT_CORO = ();
2056		2599
2057	# unload all extensions	2600	warn "removing commands";
2058	for (@exts) {	2601	%COMMAND = ();
		2602
		2603	warn "removing ext commands";
		2604	%EXTCMD = ();
		2605
		2606	warn "unloading/nuking all extensions";
		2607	for my $pkg (@EXTS) {
2059	warn "unloading <$_>";	2608	warn "... unloading $pkg";
2060	unload_extension $_;	2609
		2610	if (my $cb = $pkg->can ("unload")) {
		2611	eval {
		2612	$cb->($pkg);
		2613	1
		2614	} or warn "$pkg unloaded, but with errors: $@";
2061	}	2615	}
2062		2616
		2617	warn "... nuking $pkg";
		2618	Symbol::delete_package $pkg;
		2619	}
		2620
2063	# unload all modules loaded from $LIBDIR	2621	warn "unloading all perl modules loaded from $LIBDIR";
2064	while (my ($k, $v) = each %INC) {	2622	while (my ($k, $v) = each %INC) {
2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2623	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2066		2624
2067	warn "removing <$k>";	2625	warn "... unloading $k";
2068	delete $INC{$k};	2626	delete $INC{$k};
2069		2627
2070	$k =~ s/\.pm$//;	2628	$k =~ s/\.pm$//;
2071	$k =~ s/\//::/g;	2629	$k =~ s/\//::/g;
2072		2630
…		…
2075	}	2633	}
2076		2634
2077	Symbol::delete_package $k;	2635	Symbol::delete_package $k;
2078	}	2636	}
2079		2637
2080	# sync database to disk
2081	cf::db_sync;
2082	IO::AIO::flush;
2083
2084	# get rid of safe::, as good as possible	2638	warn "getting rid of safe::, as good as possible";
2085	Symbol::delete_package "safe::$_"	2639	Symbol::delete_package "safe::$_"
2086	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2640	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2087		2641
2088	# remove register_script_function callbacks
2089	# TODO
2090
2091	# unload cf.pm "a bit"	2642	warn "unloading cf.pm \"a bit\"";
2092	delete $INC{"cf.pm"};	2643	delete $INC{"cf.pm"};
2093		2644
2094	# don't, removes xs symbols, too,	2645	# don't, removes xs symbols, too,
2095	# and global variables created in xs	2646	# and global variables created in xs
2096	#Symbol::delete_package __PACKAGE__;	2647	#Symbol::delete_package __PACKAGE__;
2097		2648
2098	# reload cf.pm	2649	warn "unload completed, starting to reload now";
		2650
2099	warn "reloading cf.pm";	2651	warn "reloading cf.pm";
2100	require cf;	2652	require cf;
2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2653	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2102		2654
2103	# load config and database again	2655	warn "loading config and database again";
2104	cf::cfg_load;	2656	cf::cfg_load;
2105	cf::db_load;
2106		2657
2107	# load extensions
2108	warn "load extensions";	2658	warn "loading extensions";
2109	cf::load_extensions;	2659	cf::load_extensions;
2110		2660
2111	# reattach attachments to objects	2661	warn "reattaching attachments to objects/players";
2112	warn "reattach";	2662	_global_reattach; # objects, sockets
2113	_global_reattach;	2663	warn "reattaching attachments to maps";
2114	};	2664	reattach $_ for values %MAP;
		2665	warn "reattaching attachments to players";
		2666	reattach $_ for values %PLAYER;
2115		2667
2116	if ($@) {	2668	warn "leaving sync_job";
		2669
		2670	1
		2671	} or do {
2117	warn $@;	2672	warn $@;
2118	warn "error while reloading, exiting.";	2673	warn "error while reloading, exiting.";
2119	exit 1;	2674	exit 1;
2120	}	2675	};
2121		2676
2122	warn "reloaded successfully";	2677	warn "reloaded";
2123	};	2678	};
2124		2679
2125	#############################################################################	2680	our $RELOAD_WATCHER; # used only during reload
2126		2681
2127	unless ($LINK_MAP) {	2682	sub reload_perl() {
2128	$LINK_MAP = cf::map::new;	2683	# doing reload synchronously and two reloads happen back-to-back,
		2684	# coro crashes during coro_state_free->destroy here.
2129		2685
2130	$LINK_MAP->width (41);	2686	$RELOAD_WATCHER ||= Event->timer (
2131	$LINK_MAP->height (41);	2687	reentrant => 0,
2132	$LINK_MAP->alloc;
2133	$LINK_MAP->path ("{link}");
2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2136
2137	# dirty hack because... archetypes are not yet loaded
2138	Event->timer (
2139	after => 2,	2688	after => 0,
		2689	data => WF_AUTOCANCEL,
2140	cb => sub {	2690	cb => sub {
2141	$_[0]->w->cancel;	2691	do_reload_perl;
2142		2692	undef $RELOAD_WATCHER;
2143	# provide some exits "home"
2144	my $exit = cf::object::new "exit";
2145
2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2149
2150	$LINK_MAP->insert ($exit->clone, 19, 19);
2151	$LINK_MAP->insert ($exit->clone, 19, 20);
2152	$LINK_MAP->insert ($exit->clone, 19, 21);
2153	$LINK_MAP->insert ($exit->clone, 20, 19);
2154	$LINK_MAP->insert ($exit->clone, 20, 21);
2155	$LINK_MAP->insert ($exit->clone, 21, 19);
2156	$LINK_MAP->insert ($exit->clone, 21, 20);
2157	$LINK_MAP->insert ($exit->clone, 21, 21);
2158
2159	$exit->destroy;
2160	});	2693	},
2161		2694	);
2162	$LINK_MAP->{deny_save} = 1;
2163	$LINK_MAP->{deny_reset} = 1;
2164
2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2166	}	2695	}
2167
2168	register "<global>", __PACKAGE__;
2169		2696
2170	register_command "reload" => sub {	2697	register_command "reload" => sub {
2171	my ($who, $arg) = @_;	2698	my ($who, $arg) = @_;
2172		2699
2173	if ($who->flag (FLAG_WIZ)) {	2700	if ($who->flag (FLAG_WIZ)) {
2174	$who->message ("start of reload.");
2175	reload;
2176	$who->message ("end of reload.");	2701	$who->message ("reloading server.");
		2702	async { reload_perl };
2177	}	2703	}
2178	};	2704	};
2179		2705
2180	unshift @INC, $LIBDIR;	2706	unshift @INC, $LIBDIR;
		2707
		2708	my $bug_warning = 0;
		2709
		2710	our @WAIT_FOR_TICK;
		2711	our @WAIT_FOR_TICK_BEGIN;
		2712
		2713	sub wait_for_tick {
		2714	return unless $TICK_WATCHER->is_active;
		2715	return if $Coro::current == $Coro::main;
		2716
		2717	my $signal = new Coro::Signal;
		2718	push @WAIT_FOR_TICK, $signal;
		2719	$signal->wait;
		2720	}
		2721
		2722	sub wait_for_tick_begin {
		2723	return unless $TICK_WATCHER->is_active;
		2724	return if $Coro::current == $Coro::main;
		2725
		2726	my $signal = new Coro::Signal;
		2727	push @WAIT_FOR_TICK_BEGIN, $signal;
		2728	$signal->wait;
		2729	}
2181		2730
2182	$TICK_WATCHER = Event->timer (	2731	$TICK_WATCHER = Event->timer (
2183	reentrant => 0,	2732	reentrant => 0,
		2733	parked => 1,
2184	prio => 0,	2734	prio => 0,
2185	at => $NEXT_TICK || $TICK,	2735	at => $NEXT_TICK || $TICK,
2186	data => WF_AUTOCANCEL,	2736	data => WF_AUTOCANCEL,
2187	cb => sub {	2737	cb => sub {
		2738	if ($Coro::current != $Coro::main) {
		2739	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2740	unless ++$bug_warning > 10;
		2741	return;
		2742	}
		2743
		2744	$NOW = Event::time;
		2745
2188	cf::server_tick; # one server iteration	2746	cf::server_tick; # one server iteration
		2747
2189	$RUNTIME += $TICK;	2748	$RUNTIME += $TICK;
2190	$NEXT_TICK += $TICK;	2749	$NEXT_TICK += $TICK;
2191		2750
		2751	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2752	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2753	Coro::async_pool {
		2754	write_runtime
		2755	or warn "ERROR: unable to write runtime file: $!";
		2756	};
		2757	}
		2758
		2759	# my $AFTER = Event::time;
		2760	# warn $AFTER - $NOW;#d#
		2761
2192	# if we are delayed by four ticks or more, skip them all	2762	# if we are delayed by four ticks or more, skip them all
2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2763	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2194		2764
2195	$TICK_WATCHER->at ($NEXT_TICK);	2765	$TICK_WATCHER->at ($NEXT_TICK);
2196	$TICK_WATCHER->start;	2766	$TICK_WATCHER->start;
		2767
		2768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2769	$sig->send;
		2770	}
		2771	while (my $sig = shift @WAIT_FOR_TICK) {
		2772	$sig->send;
		2773	}
		2774
		2775	_post_tick;
2197	},	2776	},
2198	);	2777	);
2199		2778
		2779	{
2200	IO::AIO::max_poll_time $TICK * 0.2;	2780	BDB::max_poll_time $TICK * 0.1;
2201		2781	$BDB_POLL_WATCHER = Event->io (
2202	Event->io (	2782	reentrant => 0,
2203	fd => IO::AIO::poll_fileno,	2783	fd => BDB::poll_fileno,
2204	poll => 'r',	2784	poll => 'r',
2205	prio => 5,	2785	prio => 0,
2206	data => WF_AUTOCANCEL,
2207	cb => \&IO::AIO::poll_cb,
2208	);
2209
2210	Event->timer (
2211	data => WF_AUTOCANCEL,	2786	data => WF_AUTOCANCEL,
2212	after => 0,	2787	cb => \&BDB::poll_cb,
2213	interval => 10,	2788	);
2214	cb => sub {	2789	BDB::min_parallel 8;
2215	(Coro::unblock_sub {	2790
2216	write_runtime	2791	BDB::set_sync_prepare {
2217	or warn "ERROR: unable to write runtime file: $!";	2792	my $status;
		2793	my $current = $Coro::current;
		2794	(
		2795	sub {
		2796	$status = $!;
		2797	$current->ready; undef $current;
		2798	},
		2799	sub {
		2800	Coro::schedule while defined $current;
		2801	$! = $status;
		2802	},
		2803	)
		2804	};
		2805
		2806	unless ($DB_ENV) {
		2807	$DB_ENV = BDB::db_env_create;
		2808
		2809	cf::sync_job {
		2810	eval {
		2811	BDB::db_env_open
		2812	$DB_ENV,
		2813	$BDB_ENV_DIR,
		2814	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2815	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2816	0666;
		2817
		2818	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2819
		2820	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2821	$DB_ENV->set_lk_detect;
		2822	};
		2823
		2824	cf::cleanup "db_env_open(db): $@" if $@;
2218	})->();	2825	};
2219	},	2826	}
2220	);	2827	}
		2828
		2829	{
		2830	IO::AIO::min_parallel 8;
		2831
		2832	undef $Coro::AIO::WATCHER;
		2833	IO::AIO::max_poll_time $TICK * 0.1;
		2834	$AIO_POLL_WATCHER = Event->io (
		2835	reentrant => 0,
		2836	data => WF_AUTOCANCEL,
		2837	fd => IO::AIO::poll_fileno,
		2838	poll => 'r',
		2839	prio => 6,
		2840	cb => \&IO::AIO::poll_cb,
		2841	);
		2842	}
		2843
		2844	# load additional modules
		2845	use cf::pod;
2221		2846
2222	END { cf::emergency_save }	2847	END { cf::emergency_save }
2223		2848
2224	1	2849	1
2225		2850

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